fs/jfs/jfs_defragfs.h

   1 /*
   2  *   Copyright (c) International Business Machines Corp., 2000-2001
   3  *
   4  *   This program is free software;  you can redistribute it and/or modify
   5  *   it under the terms of the GNU General Public License as published by
   6  *   the Free Software Foundation; either version 2 of the License, or
   7  *   (at your option) any later version.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY;  without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
  12  *   the GNU General Public License for more details.
  13  *
  14  *   You should have received a copy of the GNU General Public License
  15  *   along with this program;  if not, write to the Free Software
  16  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  17  */
  18 #ifndef _H_JFS_DEFRAGFS
  19 #define _H_JFS_DEFRAGFS
  20
  21 /*
  22  *      defragfs parameter list
  23  */
  24 struct defragfs {
  25         uint flag;              /* 4: */
  26         u8 dev;                 /* 1: */
  27         u8 pad[3];              /* 3: */
  28         s32 fileset;            /* 4: */
  29         u32 inostamp;           /* 4: */
  30         u32 ino;                /* 4: */
  31         u32 gen;                /* 4: */
  32         s64 xoff;               /* 8: */
  33         s64 old_xaddr;          /* 8: */
  34         s64 new_xaddr;          /* 8: */
  35         s32 xlen;               /* 4: */
  36 };
  37
  38 /* plist flag */
  39 #define DEFRAGFS_SYNC           0x80000000
  40 #define DEFRAGFS_COMMIT         0x40000000
  41 #define DEFRAGFS_RELOCATE       0x10000000
  42
  43 #define INODE_TYPE              0x0000F000      /* IFREG or IFDIR */
  44
  45 #define EXTENT_TYPE             0x000000ff
  46 #define DTPAGE                  0x00000001
  47 #define XTPAGE                  0x00000002
  48 #define DATAEXT                 0x00000004
  49 #define EAEXT                   0x00000008
  50
  51 #endif                          /* _H_JFS_DEFRAGFS */